Outstanding nuclear scientist and leading Palestinian-American Mujid S. Kazimi died suddenly in July 2015. This tribute summarizes his professional career and his remarkable contribution to nuclear science, his involvement with Arab-American organizations, and the personal qualities he brought to a lifelong commitment to Palestine.

Hani A. Faris is adjunct professor in the Department of Political Science at the University of British Columbia, Canada. John Makhoul is a chief scientist at Raytheon BBN Technologies, Cambridge, Massachusetts, and adjunct professor at Northeastern University.